134841534665856 has 128 divisors (see below), whose sum is σ = 366519633480000. Its totient is φ = 43899833929728.

The previous prime is 134841534665837. The next prime is 134841534665863. The reversal of 134841534665856 is 658566435148431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373601770 + ... + 373962518.

Almost surely, 2^{134841534665856} is an apocalyptic number.

134841534665856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134841534665856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183259816740000).

134841534665856 is an abundant number, since it is smaller than the sum of its proper divisors (231678098814144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134841534665856 is a wasteful number, since it uses less digits than its factorization.

134841534665856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383446 (or 383434 counting only the distinct ones).

The product of its digits is 995328000, while the sum is 69.

The spelling of 134841534665856 in words is "one hundred thirty-four trillion, eight hundred forty-one billion, five hundred thirty-four million, six hundred sixty-five thousand, eight hundred fifty-six".